1222324312 has 32 divisors (see below), whose sum is σ = 2506395600. Its totient is φ = 554227200.

The previous prime is 1222324297. The next prime is 1222324333. The reversal of 1222324312 is 2134232221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19012 + ... + 52972.

Almost surely, 2^1222324312 is an apocalyptic number.

It is an amenable number.

1222324312 is an abundant number, since it is smaller than the sum of its proper divisors (1284071288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222324312 is a wasteful number, since it uses less digits than its factorization.

1222324312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34387 (or 34383 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 1222324312 is about 34961.7549902747. The cubic root of 1222324312 is about 1069.2078779395.

Adding to 1222324312 its reverse (2134232221), we get a palindrome (3356556533).

The spelling of 1222324312 in words is "one billion, two hundred twenty-two million, three hundred twenty-four thousand, three hundred twelve".